package com.week.tiny_video.service;

import com.week.tiny_video.pojo.Concern;

import java.util.List;

public interface ConcernService {

    public Concern get(int id);

    public void add(Concern concern);

    public void update(Concern concern);

    public void delete(int id);

    public List<Concern> listByFans(int id);

    public List<Concern> listByFollower(int id);

    public boolean isExist(int foId,int fansId);

    public Concern getByBoth(int foId,int fansId);
}
